APA (7th ed.) Citation

Wulf, M. M. C. J. d. (1959). The system of Thomas Aquinas. Dover Pub.

Chicago Style (17th ed.) Citation

Wulf, Maurice Marie Charles Joseph de. The System of Thomas Aquinas. New York: Dover Pub, 1959.

MLA (9th ed.) Citation

Wulf, Maurice Marie Charles Joseph de. The System of Thomas Aquinas. Dover Pub, 1959.